# All Questions

1,375
questions

**2**

votes

**0**answers

31 views

### Should I give a new answer or change the old one?

Related, but not exactly the same, to this question: "Should I rewrite my question, or create a new one?"
Recently I gave a "quick and dirty" answer (in fact I just googled for getting it) to this ...

**3**

votes

**0**answers

60 views

### Preview failing to parse double backslash in large matrices?

A couple of times now, I've been entering a large matrix here or on math.SE and, in the preview window, all the rows appear on a single line. Once the question posts, it displays correctly. I most ...

**0**

votes

**1**answer

149 views

### Should we delete or reopen these old posts?

The purpose of this question is to link to various old (say $\succeq 1$ year old) closed posts, mostly by no longer active users, most of which are reasonable candidates for deletion, and a few for ...

**-1**

votes

**0**answers

83 views

### Would introducing an “operations-research” tag be appreciated?

What are your feelings about introducing an operations-research tag?
I was tempted of introducing it but as it OR is also covered by combinatorial-optimization or graph-theory and maybe also other ...

**1**

vote

**0**answers

33 views

### Should I rewrite my question, or create a new one

I posed this question two days ago, which effectively asks "Has X hard-to-describe special case on Barnette's Conjecture been proven?". In retrospect, I believe it was a poor question.
What I now ...

**7**

votes

**1**answer

310 views

### Apparent session of mass-close-voting: how to confirm or refute?

I have a feeling this question may be a duplicate of an existing one, in which case I am happy for this one to be closed.
It seems we've had a bit of a drive-by of close-voting, but in the review ...

**-9**

votes

**1**answer

224 views

### Does MO have a stand on neurodiversity? [closed]

Does MO have a stand on neurodiversity, if even informal? If not, should it have a stand? And practically speaking, how might it have a stand that could improve the community as a whole?

**13**

votes

**0**answers

293 views

### Tea archive (mathoverflow.tqft.net) seems to be down

It seems that the link http://mathoverflow.tqft.net/ (which, according to this announcement, serves as an archive of the old tea, i.e. the previous incarnation of MathOverflow Meta) no longer works.
...

**10**

votes

**1**answer

684 views

### About if doubts in Research papers can be asked on MathOverflow

I am new to MathOverflow.
I am a master of mathematics student. I am studying research papers as a part of my masters project. I wanted to ask if questions in research papers ( regarding what I ...

**53**

votes

**0**answers

857 views

### Is there a software solution if we do cut the cord from SE?

There has been some recent concerns about MathOverflow's relationship with StackExchange: see
What is MathOverflow's "agreement" with Stack Exchange?
How much is MathOverflow exposed to ...

**16**

votes

**1**answer

341 views

### What is MathOverflow's “agreement” with Stack Exchange?

On June 24, 2013, MathOverflow signed an agreement with Stack Exchange, Inc., to migrate the original site to the newer Stack Exchange 2.0 platform and join the Stack Exchange network.
François G. ...

**6**

votes

**0**answers

588 views

### Compulsive question editing

There is a user that is modifying a lot of question in the last couple of hours, in particular, converting to latex any plain text that he considers that should be in math mode. It is getting annoying ...

**15**

votes

**1**answer

615 views

### Recognizing identifiable users changing user names

I noticed recently regular users changing usernames (for instance, changing to a username supporting some particular political issue).
The purpose of this post is not to discuss whether this should ...

**2**

votes

**0**answers

156 views

### Should algebraic-dynamics tag be made a synonym for arithmetic-dynamics tag?

Disclosure: On Meta at Mathematics Stack Exchange, I have asked whether an algebraic-dynamics tag should be created and made a synonym of the existing arithmetic-dynamics tag there, given the apparent ...

**14**

votes

**1**answer

496 views

### Are questions appropriate if they require answers to be edited in perpetuity?

A recent popular question asks about the status of a certain list of open problems. The OP answered his own question within 13 hours of asking it, and has now edited his answer 26 times, so that it is ...

**12**

votes

**0**answers

350 views

### 2019: a year in moderation

Since the start of the new year, I've been posting questions on various sites detailing how the various moderation actions taken on these sites break down between Moderators and ordinary members of ...

**24**

votes

**2**answers

820 views

### Questions which are research level but where the OP is unlikely to have the background to follow the research

There is a type of question which gets closed a lot which I find frustrating. An example is How to compute the volume of a region transformed by a matrix? , which I recently took the liberty of ...

**2**

votes

**1**answer

198 views

### Would this question be appropriate for MathOverflow?

I asked this question in Math Stack Exchange several days ago, but I have received no interaction so far, apart from 4 upvotes. I was considering adding a bounty, but since (to my humble understanding)...

**5**

votes

**1**answer

204 views

### Tags for off-topic question

This is a pretty minor issue, but what should I do (if anything) when there are no appropriate tags for an off-topic question, e.g. this one?
I tried to delete the existing tags but can't without ...

**4**

votes

**0**answers

239 views

### Are questions on standard graduate textbooks on-topic? [duplicate]

I am a masters student in mathematics and I am self studying and trying problems of graduate texts in mathematics like Tom M Apostol modular functions and Dirichlet series in number theory, Serge Lang ...

**4**

votes

**1**answer

193 views

### What's going on with badges?

I noticed that there have been a huge number of badges awarded today and yesterday and perhaps for the past few days, particularly for the Announcer and Booster badges, mostly for posts that were in ...

**8**

votes

**1**answer

475 views

### List of close reasons has changed?

I just wanted to vote to close a question, and it looks like the list of options has changed
The options are now:
Duplicate of...
Off-topic because...
Needs details or clarify
Needs more focus
...

**20**

votes

**1**answer

860 views

### Is my question suitable for MO?

Around a month ago I asked a question on ME here. It was well received (got seven up votes). Sadly nobody was able to help much. To get more attention I also placed a bounty on it. Still no luck. The ...

**-4**

votes

**1**answer

238 views

### Reputation recalculated: only even reputation now?

So +1 get 10 points for answers and questions, and -1 give -2 points. It is easy to see that users only have even reputation numbers now. Or did I miss a reputation-changing mechanism? (If not, why ...

**22**

votes

**7**answers

2k views

### Can MO go back to +5 rep for questions? Should it?

In case you missed the news, upvotes on questions now grant +10 reputation instead of +5, and the change has been implemented retroactively (most if not all users have already had their reputation ...

**11**

votes

**1**answer

351 views

### Rep being recalculated: Qs get +10 now?

So now StackExchange thinks questions are worth +10 rep again. Here is a comment where a StackOverflow user noticed their rep jump by ~6k.
Just now I was presented with a banner announcing this ...

**7**

votes

**1**answer

280 views

### The Secret Cookie Recipe

Let {Site1,Site2}={MathOverflow,xxx.Stackexchange} (in either order, with xxx representing "superuser" or "chess" or any of dozens of others).
I want to be logged into Site1 as Name1 and ...

**24**

votes

**2**answers

979 views

### MO policy regarding pseudonyms that are other people's real name

I have noticed just now that a user has chosen as pseudonym "Alexander Grothendieck", which I'm a bit unconfortable with (the probability that it is also that user's name is extremely low, hence my ...

**3**

votes

**0**answers

105 views

### Possible additional option for “See Math.Stackexchange” close vote [duplicate]

Some of the most common close votes are for people who have posted homework questions, to which the usual appropriate response (to my understanding) is to flag as off-topic with the message "...

**50**

votes

**4**answers

3k views

### How much is MathOverflow exposed to recent events on StackExchange?

[Long-time 10k+ MO user here, asking this question anonymously for reasons that should be obvious.
Added Oct 16: My access to this account will self-destruct in 3, 2, 1 .... (sorry, won't be able to ...

**0**

votes

**0**answers

150 views

### Should this be moved to math.stackexchange?

I posted Lower bound on Carmichael Function
and just assumed it belonged here, but after thinking about it for some time I'm not so sure. The Carmichael function itself might be encountered by other ...

**13**

votes

**2**answers

481 views

### What to do if you want up-to-date answers to an old question on technology

One issue with the site lasting as long as it has is that technology has changed quite a bit since its early days, and so discussions of technology are extremely out of date. In particular, when ...

**0**

votes

**1**answer

150 views

### Should there be another tag for vector bundles in Algebraic geometry (over schemes)?

Should there be another tag for vector bundles in Algebraic geometry (over schemes)?
Some questions about vector bundles in the sense of algebraic geometry are given the tag whose tag description ...

**6**

votes

**1**answer

613 views

### Why can't I post my question on MO anymore

It seems that my account in MO has been blocked. My post is no more accepted, saying that
we are no more accepting post from this account.
How can I get my account unblocked?

**8**

votes

**0**answers

364 views

### MathOverflow in the news

What are some instances of MathOverflow being mentioned in the media?
Now that MathOverflow has recently had its tenth anniversary, I would be interested to learn of any mentions of it in the mass ...

**11**

votes

**3**answers

883 views

### Happy tenth anniversary! How did you celebrate?

Question 1 was a test question posted about ten years ago from this one (give or take about an hour). There's been a bit going on since then with the main forum. This post is a place for celebrants ...

**40**

votes

**2**answers

1k views

### How to cite comment by unknown user disproving Erdős conjecture?

I believe that fedja has disproved a conjecture of Erdős et al. when commenting on my question Almost monochromatic point sets, but I'm unable to contact fedja regarding this. What shall I do? Shall I ...

**2**

votes

**1**answer

136 views

### Wouldn't it be nice to have subforums on MathOverflow dedicated to learning certain books/papers/etc.?

Oftentimes, I read something and start to ponder questions of the form "Does the formula on pg. 87 have a typo?" or "Isn't this a gap in the proof?" or "Why does the definition have this extra ...

**5**

votes

**1**answer

310 views

### Mathematics and MathOverflow relationship

Is there a connection between Mathematics and MathOverflow sites? Obviously topics are similar, but I mean something like: do questions posted on one site, perhaps with certain tags, automatically end ...

**11**

votes

**0**answers

300 views

### What should the tag (open-problems) be used for?

Since this issue came up in comments to another questions on meta, I'll ask about the intended issue of the open-problems tag.
Question. What is the intended usage of the open-problems tag? Should it ...

**4**

votes

**0**answers

87 views

### Garbled MathJax in a link to a question with MathJax in the title

The following occurs on my activity page:
The question it links to is Is there an explicit expression for Chebyshev polynomials modulo $x^r-1$? and it seems that the MathJax in the end somehow got ...

**11**

votes

**1**answer

448 views

### Can we get rid of the “featured on meta” main meta links?

As you know, MathOverflow has a special status in the Stack Exchange family, and (by a special agreement) it doesn't display any kind of ads nor links to the hot network questions in the sidebar.
...

**11**

votes

**1**answer

448 views

### Can I ask about entry-level questions (understanding and definitions) of research-level topics?

I am currently doing a reading on Teichmuller space and I am having trouble understanding some basic definitions. So I asked these two questions on MSE first:
Understanding Teichmuller equivalence of ...

**0**

votes

**0**answers

132 views

### Would this soft question be appropriate?

A few weeks back on the Math Stack Exchange, I asked this question about "interesting" PDEs. It got (no answers and) some deserved criticism, so I opened a discussion on the Meta there and made some ...

**9**

votes

**0**answers

329 views

### Suggested tag: approximation-property

I'm relatively new to MO (but have been on MSE for a longer time), which means that I don't have enough reputation to create new tags. Which is probably a good thing.
Lately I've been puzzling with ...

**11**

votes

**0**answers

536 views

### Appropriateness of proposed question on applications of number theory in dynamical systems?

Update: the question has now been asked on the main site - Applications of number theory in dynamical systems
I am considering asking a reference-request type question on MO about significant and/or ...

**44**

votes

**1**answer

2k views

### Why was the whole math jokes thread deleted, and should it have been?

[Topic very similar to several other recent questions, but the central question is I think not a duplicate.]
The meta thread Should these sexually suggestive jokes be kept or deleted? raised the ...

**2**

votes

**0**answers

98 views

### Collaborate to answer

Question: If the question is about proving $P$, which, pointed out in comments, follows from $Q$ and $R$. Is it acceptable to write an answer only containing the proof of $Q$, as part of collaboration?...

**14**

votes

**1**answer

390 views

### Links with IP adresses rather than website names

I have noticed several posts with links to pdf files where IP address is used instead of domain name the url.1 (I will list them below.) Several of them seem to be dead. Moreover, this type of url ...

**-4**

votes

**2**answers

344 views

### Area 51 Mathematics Open Community Reviews

Following the discussions in
Area 51 community peer review
and links therein, I have created the following proposal
Mathematics Open Community Reviews
hoping to get things started. The proposal ...